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首页> 外文期刊>Electrical Engineers - Part III: Radio and Communication Engineering, Journal of the Institution of >A velocity-modulation reflection oscillator for wavelengths of about 3.2 cm
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A velocity-modulation reflection oscillator for wavelengths of about 3.2 cm

机译：速度调制反射振荡器，波长约3.2 cm

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摘要

The paper describes a stable tunable oscillator for wavelengths of about 3.2 cm, which was designed in 1941 primarily for use in radar sets as a beating oscillator in superheterodyne receivers. The oscillator has been manufactured in three types, known as the CV87, CV129 and CV223, which differ only in the type of tuning mechanism used, and in the tuning range covered. A harmonic resonator is used in conjunction with the disc-seal construction, the glass being situated at a voltage node in the resonator so as to minimize dielectric loss. Tuning is effected by flexing one of the resonator diaphragms, thus varying the capacitance between two rims situated at the outer antinode of the resonator. The average output power, at the nominal input of 1600 volts 10 watts, is over 100 mW. Dimensional details and characteristics are given, as well as a short account of the experimental development of the oscillator. The factors affecting the performance are mentioned and discussed on the basis of the first-order theory of N.C. Barford and M.B. Manifold, by means of which the efficiency is calculated and compared with the experimental value.
机译：该论文描述了一种稳定的波长约为3.2 cm的可调振荡器，该振荡器于1941年设计，主要用于雷达设备中，作为超外差接收机中的跳动振荡器。该振荡器已被制造为三种类型，分别称为CV87，CV129和CV223，它们的区别仅在于所使用的调谐机制的类型以及所涵盖的调谐范围。谐波谐振器与圆盘密封结构结合使用，玻璃位于谐振器中的电压节点处，以最大程度地减少介电损耗。通过弯曲谐振器膜片之一来进行调谐，从而改变位于谐振器外部波腹处的两个边缘之间的电容。标称输入为1600伏10瓦时的平均输出功率超过100毫瓦。给出了尺寸的细节和特性，并简要说明了振荡器的实验发展。在N.C. Barford和M.B.的一阶理论的基础上提到并讨论了影响性能的因素。歧管，通过该歧管计算效率并将其与实验值进行比较。

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